858942854

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{25703}}^1$

素因数の和:25761

約数の個数: 48

約数和(自身を含む): 1687827456

約数和(自身を除く): 828884602

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 682, 1078, 1519, 2387, 3038, 4774, 16709, 25703, 33418, 51406, 179921, 282733, 359842, 565466, 796793, 1259447, 1593586, 1979131, 2518894, 3958262, 5577551, 8764723, 11155102, 13853917, 17529446, 27707834, 39042857, 61353061, 78085714, 122706122, 429471427, 858942854]

約数ペア:

[(1, 858942854), (2, 429471427), (7, 122706122), (11, 78085714), (14, 61353061), (22, 39042857), (31, 27707834), (49, 17529446), (62, 13853917), (77, 11155102), (98, 8764723), (154, 5577551), (217, 3958262), (341, 2518894), (434, 1979131), (539, 1593586), (682, 1259447), (1078, 796793), (1519, 565466), (2387, 359842), (3038, 282733), (4774, 179921), (16709, 51406), (25703, 33418)]